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  • NIOSH
    IC 8171 Injury Experience In Quarrying, 1960 ? Introduction And Summary

    By John C. Machisak

    THIS INFORMATION CIRCULAR contains injury and employment data for all stone quarries in the United States for the Calendar year 1960. This publication contains statistical data on injuries and employm

    Jan 1, 1963

  • NIOSH
    Automatic Fire Protection For Surface Coal Augers - Objective:

    Reduce the danger to personnel and destruction of equipment caused by fires on surface coal augers. Approach: A reasonably priced reliable system which automatically senses a fire and activates

    Jan 1, 1976

  • NIOSH
    IC 8080 Progress In Controlling Acid Mine Water: A Literature Review ? Introduction And Summary

    By Walter C. Lorenz

    In connection with its renewed study seeking solutions to problems created by release of acid water from bituminous coal mines, the Bureau of Mines recently surveyed reports already written on the sub

    Jan 1, 1962

  • NIOSH
    OFR-29(1)-85 Physiological Responses Of Miners To Emergency - Volume I - Self Contained Breathing Apparatus Stressors

    By E. Kamon

    This report summarizes completed research pertaining to the reaction of human subjects exposed to Self-Contained Breathing Apparatus (SCBA) stressors during escape conditions (viz., resistance breathi

    Jan 1, 1984

  • NIOSH
    OFR-26-80 Low Velocity Performance Of Anemometers

    By L. P. Purtell

    The performance of ten anemometers of several types has been measured at low air speeds. Multiple calibration runs provided sufficient data for measuring random error about the mean calibration curve

    Jan 1, 1979

  • NIOSH
    RI 3495 The Eykometer - A New Device For Measurement Of The Yield Point Of Clay Suspensions And Oil-Well Drilling Muds ? Introduction

    By A. George Stern

    [In the examination of bentonitic clay suspensions used for oil-well drilling fluids3/ (and for other purposes, such as a core binder for foundry sand) it is important to have comparative tests for ev

    Jan 1, 1940

  • NIOSH
    RI 3495 The Eykometer - A New Device For Measurement Of The Yield Point Of Clay Suspensions And Oil-Well Drilling Muds ? Introduction (7fd31193-d283-41c7-90b4-e8cc03288534)

    By A. George Stern

    In the examination of bentonitic clay suspensions used for oil-well drilling fluids3/ (and for other purposes, such as a core binder for foundry sand) it is important to have comparative tests for eva

    Jan 1, 1940

  • NIOSH
    OFR-111-83 Development Of A Prototype Retrofit Noise Control Treatment For Jumbo Drills

    By Nicholas R. Dixon

    This report summarizes all work performed under Phases I, II and III of U.S. Bureau of Mines Contract H0387006, "Development of a Prototype Retrofit Noise Control Treatment for Jumbo Drills." The nois

    Jan 1, 1982

  • NIOSH
    RI 8250 Splice Flexure Performance Factors in Shuttle Car Trailing Cables

    By George J. Conroy

    To provide data as a basis for proposed acceptance standards and procedures covering permanent splices in trailing cables, the Bureau of Mines conducted testing programs on the flexure life in flat ty

    Jan 1, 1977

  • NIOSH
    RI 3586 Preliminary Report On The Flotation Of Bauxite ? Introduction

    By J. B. Clemmer

    This report summarizes the results of u laboratory study of the beneficiation of Arkansas bauxite by flotation. Although the investigation is not yet completed, a preliminary retort of the results on

    Jan 1, 1941

  • NIOSH
    RI 3586 Preliminary Report On The Flotation Of Bauxite ? Introduction (ac12c6b0-21f7-4176-bc03-aa490cce21e2)

    By J. B. Clemmer

    This report summarizes the results of u laboratory study of the beneficiation of Arkansas bauxite by flotation. Although the investigation is not yet completed, a preliminary retort of the results on

    Jan 1, 1941

  • NIOSH
    RI 5491 Refractory Properties Of Alabama Bauxitic Kaolins - Summary

    By P. G. Pigott

    The lack of technical information regarding the physical characteristics of kaolins and bauxitic kaolins, rejected during the mining of bauxite near Eufaula, Ala., has retarded their commercial utiliz

    Jan 1, 1959

  • NIOSH
    RI 7734 An Automatic Data Acquisition System For Underground Measurements

    By J. R. McVey

    A 10-channel automatic data acquisition system has been designed and environmentally packaged for use with underground strain-gage applications and associated instruments. The system uses commercially

    Jan 1, 1973

  • NIOSH
    IC 9218 Bureau Of Mines Geotechnical Centrifuge Research - A Review

    By Paul C. McWilliams

    The U.S. Bureau of Mines has, primarily through its contract program, used large-scale centrifuges to determine design criteria for tailing embankments. The centrifuge runs were made at two installati

    Jan 1, 1989

  • NIOSH
    RI 3503 A Polarizing Comparison-Microscope For Use In Petrographic Measurements ? Introduction

    By George T. Faust

    The petrographer engaged in examining the products resulting from the beneficiation of ores, and rock minerals is constantly required to develop new means acid methods of assaying microscopically the

    Jan 1, 1940

  • NIOSH
    OFR-16-88 Shearer Mounted Dust Collector; Evaluation Of Ventilated Cutting Drums

    By Jonathan S. Kelly

    Effective control of respirable dust is one of the most serious problems associated with longwall mining in the United States. This report describes the development and the underground evaluation of v

    Jan 1, 1987

  • NIOSH
    RI 6045 Radioactive Waste Disposal In The Shiprock-Type Uranium Milling Flowsheet ? Summary

    By K. E. Tame

    The Bureau of Mines is studying possible modifications in conventional uranium ore-processing steps to confine and permit controlled disposal of radioactive wastes. A potential method of minimizing po

    Jan 1, 1962

  • NIOSH
    RI 8130 Dust Dispersal by Explosion-Induced Airflow - Entrainment by Airblast

    By J. M. Singer

    In this Bureau of Mines study coal and rock dust beds were entrained by airblasts generated by gas explosions at the closed end of a 0.61-m-diameter explosion tunnel, 49.7 m long. The system was desig

    Jan 1, 1976

  • NIOSH
    How To Find The Major Dust Sources

    By Jon C. Volkwein

    In This Chapter [Instruments for measuring dust How to calculate the amount of dust from a source How to get a valid concentration measurement Sampling to assess control technology effec

    Jan 6, 2003

  • NIOSH
    RI 7138 Effect Of Ammonia In Cyanide Solution On Copper Extraction From A Michigan Ore

    By A. F. Colombo

    Bench-scale research was undertaken to determine if adding ammonia to cyanide leaching solutions would enhance the extraction of copper from an argillaceous Michigan copper ore. Two leaching technique

    Jan 1, 1968